		Test results
1	STEERING WHEEL INTERFACE LIGHTING LEVER CHECK	All OK	Problems encountered	Operation
	Check that the steering wheel interface lighting lever is working properly See E2010 SIDE LIGHTS / NO. PLATE LIGHTS	Move on to Step 2	Lighting lever defective	Replace the steering wheel interface Op. 5550A10 STALK UNIT ASSEMBLY - R+R
2	ELECTRICAL SYSTEM CHECK.	All OK	Problems encountered	Operation
	Check the continuity of the wiring between the steering wheel interface and the Body Computer Check the continuity of the wiring between the Body Computer and the lights See E2010 SIDE LIGHTS / NO. PLATE LIGHTS	Move on to Step 3	Wiring defective	Restore correct wiring.
3	BODY COMPUTER OPERATION CHECK	All OK	Problems encountered	Operation
	Check that the body computer is working properly	End of diagnosis	Body Computer defective	Replace the body computer Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.

The parking lights come on with the steering column switch unit lights ON and the key OFF;